ND YAG Laser is proven to be the most effective way to remove tattoos, which emits light in a particular way in short and sharp pulses to break down the tattoo pigments. They are absorbed by the pigments within the skin. This light energy is measured in nanometres (nm) and is emitted at wavelength of 532nm,1064nm. https://www.sanhelasers.com/products/portable-q-switched-nd-yag-laser-device.htmlAll Rights Reserved